Mansi Chauhan

Backend Engineer with 7+ years of experience building and operating production-grade backend services using Python, Django and FastAPI. Experienced in designing RESTful APIs, microservices architectures and authentication systems using OAuth2/OIDC, JWT and RBAC. Hands-on experience deploying and supporting cloud applications on AWS, GCP and Azure, including monitoring, incident investigation and performance optimisation.

Comfortable owning services end-to-end from design and implementation to deployment and production support within cross-functional teams.

• Innovaccer Analytics- US-based healthcare data platform and population health SaaS company providing analytics, interoperability and care-management solutions to hospitals and payers.

Position- Senior Backend Engineer (Python), Noida, India | Jun 2023 – Oct 2025

• Designed and implemented a centralised audit logging service adopted across 20+ microservices, improving observability and debugging efficiency in production environments
• Collaborated with architects to evolve a microservices-based backend platform, improving scalability and long-term maintainability
• Owned backend services end-to-end including design, deployment, monitoring and production support.
• Implemented OAuth2 / OpenID Connect authentication flows, JWT token validation and role-based access control using Auth0 and Okta
• Supported production systems integrating multiple healthcare services and handled incident triage, root-cause analysis and hotfix deployments
• Performed performance profiling and optimisation across core services, improving response times by ~20%
• Implemented and evaluated SSO solutions including Auth0, Azure AD and Okta, strengthening authentication, authorisation and platform security
• Investigated and resolved high-priority production incidents and performed root-cause analysis to improve platform stability
• Introduced secure coding practices, code reviews and testing standards across the backend team
• Supported engineering productivity through CI/CD improvements and development tooling

Tech stack: Python, Django, DRF, FastAPI, PostgreSQL, Redis, Elasticsearch, MongoDB, AWS, Azure, GitLab CI/CD, microservices

• Noon- Middle East’s largest e-commerce marketplace (often called the “Amazon of the Middle East”), operating across UAE, Saudi Arabia and Egypt with high-traffic consumer platforms.

Position: Backend Software Engineer, Gurugram, India | May 2022 – May 2023

• Developed backend microservices and REST APIs supporting a high-traffic e-commerce ticketing platform
• Built scalable APIs using FastAPI, improving data retrieval performance by ~30%
• Designed APIs with pagination, filtering and idempotency to safely process large ticket operations.
• Optimised database queries and caching strategies using Redis to improve API response time and reduce repeated reads.
• Designed a configurable email notification service using SendGrid templates
• Automated bulk ticket workflows (200k+ tickets) using GCP Tasks, Scheduler and Functions
• Created internal automation tools reducing manual operational workload by 50%
• Integrated third-party services including Jira and GCP components

Tech stack: Python, FastAPI, PostgreSQL, Redis, GCP, SendGrid

• Mindfire Solutions - Software product engineering and IT services company delivering outsourced development for international clients across SaaS, e-commerce and security domains.

Position- Software Engineer, Noida, India | Jun 2020 – Apr 2022

• Developed 45+ RESTful APIs using Django REST Framework to support a React frontend
• Built asynchronous data pipelines using Celery and Airflow for scheduled processing
• Designed database schemas and handled data migrations for new application modules
• Implemented background job processing using Celery workers and scheduled workflows using Airflow
• Delivered a security awareness proof-of-concept using GoPhish, reducing phishing vulnerability
• Collaborated with frontend and QA teams to resolve integration issues and deliver features

Tech stack: Django, DRF, Celery, Airflow, PostgreSQL, Selenium

• Sopra Steria- European IT consulting and digital transformation company delivering enterprise software and public-sector technology solutions across the UK and Europe.

Position- Software Engineer, Noida, India | Nov 2018 – May 2020

• Developed web application modules and UI components for enterprise applications
• Worked with REST APIs and backend services to support frontend features
• Participated in debugging, testing and production

Batchelors of Technology (Computer Science)